Abstract: A lighting device for an automotive vehicle comprising at least two semiconductor light sources that can be selectively activated and at least one optic for shaping at least a portion of the light rays emitted by either or both of the light sources with the aim of generating at least two lighting and/or signaling functions. The device is configured so that a first function requires the activation of the first semiconductor light source and a second function requires the activation of the second semiconductor light source. At least one of the light sources is a semiconductor light-source comprising a light-emitting rods.

Abstract: An optical system for a motor vehicle, in particular for an indicating and/or lighting device, arranged to emit a light, the intensity of which is maximal in a given prioritized optical direction. The optical system comprises a surface light source exhibiting a front wall emitting a light, the intensity of which is maximal in a principal direction of emission, and an optical guide comprising an input face and an output face forming at least partly an outer face of the system, the system being arranged such that the light penetrates the guide through the input face and escapes through the output face. The optical guide being conformed such that the intensity of the light at the output of the system is maximal in a prioritized optical direction.

Abstract: The present invention relates to an optical system for a motor vehicle, in particular for an indicating and/or lighting device, arranged to emit a light, the intensity of which is maximal in a given prioritized optical direction (20), including: a surface light source (30) exhibiting a front wall emitting a light, the intensity of which is maximal in a principal direction of emission (31), an optical guide (1) comprising an input face (2) and an output face (3) forming at least partly an outer face of the system, the system being arranged such that the light penetrates the guide through the input face (2) and escapes through the output face (3), the optical guide (1) being conformed such that the intensity of the light at the output of the system is maximal in a prioritized optical direction (20).

Abstract: A method and headlight adapted to supply power to a dual-mode automobile headlight light source able to provide either main beam mode lighting or dipped beam mode lighting, wherein the light source is supplied with electrical power at a first voltage when it is in main beam mode and at a second voltage when it is in dipped beam mode, the second voltage being lower than the first voltage.

Abstract: A lighting device for a motor vehicle producing a global light beam, the lighting device comprising a first fixed optical module comprising at least one first light source for producing a first light beam of the type consisting of a light beam with a substantially flat and horizontal cutoff. The lighting device also comprises a second movable optical module comprising at least one first light source for producing a second light beam of the type consisting of a light beam with non-flat cutoff able to be moved with respect to the first light beam.

Abstract: A method and headlight adapted to supply power to a dual-mode automobile headlight light source able to provide either main beam mode lighting or dipped beam mode lighting, wherein the light source is supplied with electrical power at a first voltage when it is in main beam mode and at a second voltage when it is in dipped beam mode, the second voltage being lower than the first voltage.

Abstract: A lighting device for a motor vehicle producing a global light beam, the lighting device comprising a first fixed optical module comprising at least one first light source for producing a first light beam of the type consisting of a light beam with a substantially flat and horizontal cutoff. The lighting device also comprises a second movable optical module comprising at least one first light source for producing a second light beam of the type consisting of a light beam with non-flat cutoff able to be moved with respect to the first light beam.

Abstract: The present invention relates to a light device projecting a light beam along a principal lighting axis, by means of at least one light source, the light device also comprising at least one reflector, a frame and a shield. The shield is able to move in rotation about an axis of rotation and has an “active” edge composed of a set of distinct portions, at least part of one of the portions of the said portions taking part in the production of at least two different cutoffs of the light beam emitted by the said light source.

Abstract: The object of the invention is a lighting device for a motor vehicle, comprising a first light source focused on a first reflective zone and a second light source focused on second reflective zone. The first light source is able to emit light both in the direction of the first reflective zone and part of the second reflective zone, the light coming from the light source and reflected by the two reflective zones corresponding to a DRL daylight light beam.

Abstract: An optical module for an automobile lighting device adapted to selectively emit a principal light beam generated from a principal light source for performing a principal lighting function and a secondary light beam generated from a secondary light source for performing a secondary lighting function. The optical module having a fixed or retractable shield for providing a principal lighting function such as a main beam with or without a cut-off. The optical module further including a retractable reflecting mirror movable from a retracted position, where the mirror does not substantially interfere with the principal light beam, to a working position in which the reflecting mirror is substantially centered on the optical axis of the optical module and oriented so as to give, from light rays issuing from the secondary source, a secondary beam constituting the secondary lighting function.

Abstract: A motor vehicle headlight of comprising a reflector, at least partly substantially in the form of an ellipsoid with a symmetry axis determined by the intersection of a first vertical plane and a first horizontal plane. The refractor is a useful portion of a spherical plano-convex lens having its optical axis merged with the symmetry axis, has a focus substantially merged with a second focus of the reflector, has a contour which has a barycentre offset by a predetermined distance with respect to the optical centre of the lens, and in that the second light flux passing through the useful portion is equal to a predetermined proportion of the first flux.

Abstract: A lighting device for a motor vehicle of the headlight type comprising at least one reflector and one light source, with (a) a first light source with a direct shield placed in the vicinity of and in front of the internal focus of an ellipsoidal reflector, in particular so that the axis of the source is substantially parallel to the optical axis of the ellipsoidal reflector, this reflector being designed to produce a first beam from the first source, (b) a second light source placed in the vicinity of and behind the internal focus of the said ellipsoidal reflector, in particular so that the axis of the source is substantially parallel to the optical axis of the ellipsoidal reflector, (c) the wall of the ellipsoidal reflector comprises a cut out situated on one side of a plane, in particular a plane that is substantially horizontal when the device is in the mounted position in the vehicle, (d) a lens with the optical axis substantially parallel to or merged with that of the ellipsoidal reflector is placed in f

Abstract: The object of the invention is an optical module intended to equip automobile lighting devices, designed to give at least one principal lighting beam with cut-off and having an optical axis, comprising: (a) a reflector of the elliptical type having an internal focus and an external focus on the optical axis; (b) a principal light source disposed in the vicinity of the internal focus; (c) a shield having a cut-off edge in the vicinity of the external focus; (d) a lens, situated in front of the shield and having a focal plane in the vicinity of the external focus; and (d) a secondary light source, disposed between the shield and the lens, for performing a secondary lighting function.

Abstract: A motor vehicle headlight comprises a reflector arranged to be oriented along the horizontal axis of the vehicle, together with a light source situated in the vicinity of the focus of the reflector. It also includes a filter which is able to occupy a withdrawn first position in which it does not interfere with the light beam, and a working second position in which it interferes with at least part of the beam. Means are provided for moving the filter between its working and withdrawn positions. The filter is a diffusing and absorbing filter which does not substantially modify the wavelengths of the emergent light as compared with the incident light, and which is arranged so that, with the filter in the working position, a second type of light beam is produced having a reduced intensity, and, optionally, a modified photometric distribution.

Abstract: The object of the invention is a lighting device for a motor vehicle, comprising a first light source focused on a first reflective zone and a second light source focused on second reflective zone. The first light source is able to emit light both in the direction of the first reflective zone and part of the second reflective zone, the light coming from the light source and reflected by the two reflective zones corresponding to a DRL daylight light beam.

Abstract: The present invention relates to a light device projecting a light beam along a principal lighting axis, by means of at least one light source, the light device also comprising at least one reflector, a frame and a shield. The shield is able to move in rotation about an axis of rotation and has an “active” edge composed of a set of distinct portions, at least part of one of the portions of the said portions taking part in the production of at least two different cutoffs of the light beam emitted by the said light source.

Abstract: A motor vehicle headlight comprises a reflector arranged to be oriented along the horizontal axis of the vehicle, together with a light source situated in the vicinity of the focus of the reflector. It also includes a filter which is able to occupy a withdrawn first position in which it does not interfere with the light beam, and a working second position in which it interferes with at least part of the beam. Means are provided for moving the filter between its working and withdrawn positions. The filter is a diffusing and absorbing filter which does not substantially modify the wavelengths of the emergent light as compared with the incident light, and which is arranged so that, with the filter in the working position, a second type of light beam is produced having a reduced intensity, and, optionally, a modified photometric distribution.

Abstract: A motor vehicle headlight of the type comprising a two-filament lamp in which a first filament is provided with a cup so as to allow light to pass over a given angular extent only, and in which a second filament has no such cup, the headlight further comprising a closure glass and a reflector suitable for co-operating with one or the other of the two filaments respectively for generating an anti-fog beam and a main beam. According to the invention, the reflector comprises a reflecting surface having a first zone whose extent corresponds at least approximately to said given angular extent and whose shape is such that it generates, on its own, images of the first filament in which all of the points of the images lie below a cutoff that extends generally horizontally, thereby forming the anti-fog beam, and a second zone that runs continuously into the first zone, said first and second zones co-operating with the second filament to form the main beam.